Base | Representation |
---|---|
bin | 1110100100000… |
… | …00011011100101 |
3 | 22111212102012122 |
4 | 13102000123211 |
5 | 222233121434 |
6 | 20042155325 |
7 | 3012231065 |
oct | 722003345 |
9 | 274772178 |
10 | 122160869 |
11 | 62a582a6 |
12 | 34ab2b45 |
13 | 1c40264c |
14 | 1231d3a5 |
15 | aad0c2e |
hex | 74806e5 |
122160869 has 2 divisors, whose sum is σ = 122160870. Its totient is φ = 122160868.
The previous prime is 122160859. The next prime is 122160887. The reversal of 122160869 is 968061221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 113529025 + 8631844 = 10655^2 + 2938^2 .
It is an emirp because it is prime and its reverse (968061221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122160869 - 216 = 122095333 is a prime.
It is a super-2 number, since 2×1221608692 = 29846555829670322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122160809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61080434 + 61080435.
It is an arithmetic number, because the mean of its divisors is an integer number (61080435).
Almost surely, 2122160869 is an apocalyptic number.
It is an amenable number.
122160869 is a deficient number, since it is larger than the sum of its proper divisors (1).
122160869 is an equidigital number, since it uses as much as digits as its factorization.
122160869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 122160869 is about 11052.6408156603. The cubic root of 122160869 is about 496.1854646455.
The spelling of 122160869 in words is "one hundred twenty-two million, one hundred sixty thousand, eight hundred sixty-nine".
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